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304895052 = 2232721119827
BaseRepresentation
bin10010001011000…
…101010001001100
3210020201021101100
4102023011101030
51111023120202
650130543100
710361364600
oct2213052114
9706637340
10304895052
11147118190
1286137a90
134b222b97
142c6c9500
151bb7941c
hex122c544c

304895052 has 216 divisors, whose sum is σ = 1030760640. Its totient is φ = 74934720.

The previous prime is 304895047. The next prime is 304895053. The reversal of 304895052 is 250598403.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 304894998 and 304895016.

It is not an unprimeable number, because it can be changed into a prime (304895053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 368263 + ... + 369089.

It is an arithmetic number, because the mean of its divisors is an integer number (4772040).

Almost surely, 2304895052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304895052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515380320).

304895052 is an abundant number, since it is smaller than the sum of its proper divisors (725865588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304895052 is a wasteful number, since it uses less digits than its factorization.

304895052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 304895052 is about 17461.2442855599. The cubic root of 304895052 is about 673.0543345199.

The spelling of 304895052 in words is "three hundred four million, eight hundred ninety-five thousand, fifty-two".